include/wx/bookctrl.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/bookctrl.h
   3 // Purpose:     wxBookCtrlBase: common base class for wxList/Tree/Notebook
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     19.08.03
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_BOOKCTRL_H_
  13 #define _WX_BOOKCTRL_H_
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_BOOKCTRL
  22
  23 #include "wx/control.h"
  24 #include "wx/dynarray.h"
  25
  26 WX_DEFINE_EXPORTED_ARRAY_PTR(wxWindow *, wxArrayPages);
  27
  28 class WXDLLEXPORT wxImageList;
  29
  30 // ----------------------------------------------------------------------------
  31 // wxBookCtrlBase
  32 // ----------------------------------------------------------------------------
  33
  34 class WXDLLEXPORT wxBookCtrlBase : public wxControl
  35 {
  36 public:
  37     // construction
  38     // ------------
  39
  40     wxBookCtrlBase()
  41     {
  42         Init();
  43     }
  44
  45     wxBookCtrlBase(wxWindow *parent,
  46                    wxWindowID winid,
  47                    const wxPoint& pos = wxDefaultPosition,
  48                    const wxSize& size = wxDefaultSize,
  49                    long style = 0,
  50                    const wxString& name = wxEmptyString)
  51     {
  52         Init();
  53
  54         (void)Create(parent, winid, pos, size, style, name);
  55     }
  56
  57     // quasi ctor
  58     bool Create(wxWindow *parent,
  59                 wxWindowID winid,
  60                 const wxPoint& pos = wxDefaultPosition,
  61                 const wxSize& size = wxDefaultSize,
  62                 long style = 0,
  63                 const wxString& name = wxEmptyString);
  64
  65     // dtor
  66     virtual ~wxBookCtrlBase();
  67
  68
  69     // accessors
  70     // ---------
  71
  72     // get number of pages in the dialog
  73     virtual size_t GetPageCount() const { return m_pages.size(); }
  74
  75     // get the panel which represents the given page
  76     wxWindow *GetPage(size_t n) { return m_pages[n]; }
  77     wxWindow *GetPage(size_t n) const { return m_pages[n]; }
  78
  79     // get the current page or NULL if none
  80     wxWindow *GetCurrentPage() const
  81     {
  82         const int n = GetSelection();
  83         return n == wxNOT_FOUND ? NULL : GetPage(n);
  84     }
  85
  86     // get the currently selected page or wxNOT_FOUND if none
  87     virtual int GetSelection() const = 0;
  88
  89     // set/get the title of a page
  90     virtual bool SetPageText(size_t n, const wxString& strText) = 0;
  91     virtual wxString GetPageText(size_t n) const = 0;
  92
  93
  94     // image list stuff: each page may have an image associated with it (all
  95     // images belong to the same image list)
  96     // ---------------------------------------------------------------------
  97
  98     // sets the image list to use, it is *not* deleted by the control
  99     virtual void SetImageList(wxImageList *imageList);
 100
 101     // as SetImageList() but we will delete the image list ourselves
 102     void AssignImageList(wxImageList *imageList);
 103
 104     // get pointer (may be NULL) to the associated image list
 105     wxImageList* GetImageList() const { return m_imageList; }
 106
 107     // sets/returns item's image index in the current image list
 108     virtual int GetPageImage(size_t n) const = 0;
 109     virtual bool SetPageImage(size_t n, int imageId) = 0;
 110
 111
 112     // geometry
 113     // --------
 114
 115     // resize the notebook so that all pages will have the specified size
 116     virtual void SetPageSize(const wxSize& size);
 117
 118     // calculate the size of the control from the size of its page
 119     virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const = 0;
 120
 121     // get/set size of area between book control area and page area
 122     inline unsigned int GetInternalBorder() const
 123     {
 124         return m_internalBorder;
 125     }
 126     void SetInternalBorder(unsigned int internalBorder)
 127     {
 128         m_internalBorder = internalBorder;
 129     }
 130
 131     // returns true if we have wxCHB_TOP or wxCHB_BOTTOM style
 132     bool IsVertical() const { return HasFlag(wxBK_BOTTOM | wxBK_TOP); }
 133
 134     // set/get option to shrink to fit current page
 135     void SetFitToCurrentPage(bool fit) { m_fitToCurrentPage = fit; }
 136     bool GetFitToCurrentPage() const { return m_fitToCurrentPage; }
 137
 138     // operations
 139     // ----------
 140
 141     // remove one page from the control and delete it
 142     virtual bool DeletePage(size_t n);
 143
 144     // remove one page from the notebook, without deleting it
 145     virtual bool RemovePage(size_t n)
 146     {
 147         InvalidateBestSize();
 148         return DoRemovePage(n) != NULL;
 149     }
 150
 151     // remove all pages and delete them
 152     virtual bool DeleteAllPages()
 153     {
 154         InvalidateBestSize();
 155         WX_CLEAR_ARRAY(m_pages);
 156         return true;
 157     }
 158
 159     // adds a new page to the control
 160     virtual bool AddPage(wxWindow *page,
 161                          const wxString& text,
 162                          bool bSelect = false,
 163                          int imageId = -1)
 164     {
 165         InvalidateBestSize();
 166         return InsertPage(GetPageCount(), page, text, bSelect, imageId);
 167     }
 168
 169     // the same as AddPage(), but adds the page at the specified position
 170     virtual bool InsertPage(size_t n,
 171                             wxWindow *page,
 172                             const wxString& text,
 173                             bool bSelect = false,
 174                             int imageId = -1) = 0;
 175
 176     // set the currently selected page, return the index of the previously
 177     // selected one (or -1 on error)
 178     //
 179     // NB: this function will generate PAGE_CHANGING/ED events
 180     virtual int SetSelection(size_t n) = 0;
 181
 182
 183     // cycle thru the pages
 184     void AdvanceSelection(bool forward = true)
 185     {
 186         int nPage = GetNextPage(forward);
 187         if ( nPage != -1 )
 188         {
 189             // cast is safe because of the check above
 190             SetSelection((size_t)nPage);
 191         }
 192     }
 193
 194 protected:
 195     // Should we accept NULL page pointers in Add/InsertPage()?
 196     //
 197     // Default is no but derived classes may override it if they can treat NULL
 198     // pages in some sensible way (e.g. wxTreebook overrides this to allow
 199     // having nodes without any associated page)
 200     virtual bool AllowNullPage() const { return false; }
 201
 202     // remove the page and return a pointer to it
 203     virtual wxWindow *DoRemovePage(size_t page) = 0;
 204
 205     // our best size is the size which fits all our pages
 206     virtual wxSize DoGetBestSize() const;
 207
 208     // helper: get the next page wrapping if we reached the end
 209     int GetNextPage(bool forward) const;
 210
 211     // Always rely on GetBestSize, which will look at all the pages
 212     virtual void SetInitialBestSize(const wxSize& WXUNUSED(size)) { }
 213
 214     // Lay out controls
 215     void DoSize();
 216
 217     // the array of all pages of this control
 218     wxArrayPages m_pages;
 219
 220     // the associated image list or NULL
 221     wxImageList *m_imageList;
 222
 223     // true if we must delete m_imageList
 224     bool m_ownsImageList;
 225
 226     // get the page area
 227     wxRect GetPageRect() const;
 228
 229     // event handlers
 230     virtual wxSize GetControllerSize() const;
 231     void OnSize(wxSizeEvent& event);
 232
 233     // controller buddy if available, NULL otherwise (usually for native book controls like wxNotebook)
 234     wxControl *m_bookctrl;
 235
 236     // Whether to shrink to fit current page
 237     bool m_fitToCurrentPage;
 238
 239 private:
 240
 241     // common part of all ctors
 242     void Init();
 243
 244     // internal border
 245     unsigned int m_internalBorder;
 246
 247     DECLARE_ABSTRACT_CLASS(wxBookCtrlBase)
 248     DECLARE_NO_COPY_CLASS(wxBookCtrlBase)
 249     DECLARE_EVENT_TABLE()
 250 };
 251
 252 // ----------------------------------------------------------------------------
 253 // wxBookCtrlBaseEvent: page changing events generated by derived classes
 254 // ----------------------------------------------------------------------------
 255
 256 class WXDLLEXPORT wxBookCtrlBaseEvent : public wxNotifyEvent
 257 {
 258 public:
 259     wxBookCtrlBaseEvent(wxEventType commandType = wxEVT_NULL, int winid = 0,
 260                         int nSel = -1, int nOldSel = -1)
 261         : wxNotifyEvent(commandType, winid)
 262     {
 263         m_nSel = nSel;
 264         m_nOldSel = nOldSel;
 265     }
 266
 267     wxBookCtrlBaseEvent(const wxBookCtrlBaseEvent& event)
 268         : wxNotifyEvent(event)
 269     {
 270         m_nSel = event.m_nSel;
 271         m_nOldSel = event.m_nOldSel;
 272     }
 273
 274     // accessors
 275         // the currently selected page (-1 if none)
 276     int GetSelection() const { return m_nSel; }
 277     void SetSelection(int nSel) { m_nSel = nSel; }
 278         // the page that was selected before the change (-1 if none)
 279     int GetOldSelection() const { return m_nOldSel; }
 280     void SetOldSelection(int nOldSel) { m_nOldSel = nOldSel; }
 281
 282 private:
 283     int m_nSel,     // currently selected page
 284         m_nOldSel;  // previously selected page
 285 };
 286
 287 // make a default book control for given platform
 288 #if wxUSE_NOTEBOOK
 289     // dedicated to majority of desktops
 290     #include "wx/notebook.h"
 291     #define wxBookCtrl                             wxNotebook
 292     #define wxBookCtrlEvent                        wxNotebookEvent
 293     #define wxEVT_COMMAND_BOOKCTRL_PAGE_CHANGED    wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED
 294     #define wxEVT_COMMAND_BOOKCTRL_PAGE_CHANGING   wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING
 295     #define EVT_BOOKCTRL_PAGE_CHANGED(id, fn)      EVT_NOTEBOOK_PAGE_CHANGED(id, fn)
 296     #define EVT_BOOKCTRL_PAGE_CHANGING(id, fn)     EVT_NOTEBOOK_PAGE_CHANGING(id, fn)
 297 #else
 298     // dedicated to Smartphones
 299     #include "wx/choicebk.h"
 300     #define wxBookCtrl                             wxChoicebook
 301     #define wxBookCtrlEvent                        wxChoicebookEvent
 302     #define wxEVT_COMMAND_BOOKCTRL_PAGE_CHANGED    wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED
 303     #define wxEVT_COMMAND_BOOKCTRL_PAGE_CHANGING   wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING
 304     #define EVT_BOOKCTRL_PAGE_CHANGED(id, fn)      EVT_CHOICEBOOK_PAGE_CHANGED(id, fn)
 305     #define EVT_BOOKCTRL_PAGE_CHANGING(id, fn)     EVT_CHOICEBOOK_PAGE_CHANGING(id, fn)
 306 #endif
 307
 308 #if WXWIN_COMPATIBILITY_2_6
 309     #define wxBC_TOP                               wxBK_TOP
 310     #define wxBC_BOTTOM                            wxBK_BOTTOM
 311     #define wxBC_LEFT                              wxBK_LEFT
 312     #define wxBC_RIGHT                             wxBK_RIGHT
 313     #define wxBC_DEFAULT                           wxBK_DEFAULT
 314 #endif
 315
 316 #endif // wxUSE_BOOKCTRL
 317
 318 #endif // _WX_BOOKCTRL_H_